/*
 * SonarQube JavaScript Plugin
 * Copyright (C) 2011-2025 SonarSource Sàrl
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Sonar Source-Available License Version 1, as published by SonarSource SA.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the Sonar Source-Available License for more details.
 *
 * You should have received a copy of the Sonar Source-Available License
 * along with this program; if not, see https://sonarsource.com/license/ssal/
 */
// https://sonarsource.github.io/rspec/#/rspec/S7060/javascript

import type { Rule } from 'eslint';
import { generateMeta, interceptReport } from '../helpers/index.js';
import * as meta from './generated-meta.js';
import type estree from 'estree';

export function decorate(rule: Rule.RuleModule): Rule.RuleModule {
  return interceptReport(
    {
      ...rule,
      meta: generateMeta(meta, {
        ...rule.meta!,
        hasSuggestions: true,
      }),
    },
    reportWithQuickFix,
  );
}

function reportWithQuickFix(context: Rule.RuleContext, reportDescriptor: Rule.ReportDescriptor) {
  if (!('node' in reportDescriptor)) {
    return;
  }
  const { node } = reportDescriptor;
  const suggest: Rule.SuggestionReportDescriptor[] = [];
  if (node.type === 'ImportDeclaration') {
    suggest.push({
      desc: 'Remove this import',
      fix: fixer => fixer.remove(node),
    });
  } else if (node.type === 'CallExpression') {
    const variableDecl = findRequireVariableDeclaration(node);
    if (variableDecl) {
      suggest.push({
        desc: 'Remove this require',
        fix: fixer => fixer.remove(variableDecl),
      });
    }
  }
  context.report({
    ...reportDescriptor,
    suggest,
  });
}

function findRequireVariableDeclaration(node: estree.Node) {
  const parent = getParent(getParent(node));
  if (parent.type === 'VariableDeclaration') {
    return parent;
  }
  return undefined;
}

function getParent(node: estree.Node): estree.Node {
  // @ts-ignore
  return node.parent as estree.Node;
}
